US Bridges

Pa 851; SR 0851 over Swans Creek

Good

York County, Pennsylvania · 2 Mi.W. of New Freedom · Structure no. 000000000056023

Built
2018
7 years old
Condition
Good
inspected July 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
2,452
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 851; SR 0851 over Swans Creek is a prestressed concrete box beam or girders - multiple carrying Pa 851; SR 0851 over Swans Creek in York County, Pennsylvania. It was built in 2018, so it is 7 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,452 vehicles a day, roughly 4% of them trucks, projected to reach 1,920 by 2032. The structure is 29 ft (8.8 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPa 851; SR 0851
CrossesSwans Creek
Location2 Mi.W. of New Freedom
RouteState Highway 851
Coordinates39.72457, -76.71998
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,452 (2024)
Projected traffic1,920 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 851; SR 0851 over Swans Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Pa 851; SR 0851 over Swans Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.

How much traffic does Pa 851; SR 0851 over Swans Creek carry?

About 2,452 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Pa 851; SR 0851 over Swans Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 41 ft wide.

Who owns Pa 851; SR 0851 over Swans Creek?

It is owned by the State Highway Agency.